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https://issues.apache.org/jira/browse/FLUME-1045?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13283252#comment-13283252
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Inder SIngh commented on FLUME-1045:
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Jarek,
current path implementation was the old thought, however after chatting with
Arvind and Sharad we had finally decided to implement at channel level,
something like a VirtualMemoryChannel.
As Sharad stated we can work together on this and get it reviewed by Mike &
team. I'll create a one pager check-poinitng the current discussion attach it,
which we can review with everyone and later divide and conquer on
implementation.
> Proposal to support disk based spooling
> ---------------------------------------
>
> Key: FLUME-1045
> URL: https://issues.apache.org/jira/browse/FLUME-1045
> Project: Flume
> Issue Type: New Feature
> Affects Versions: v1.0.0
> Reporter: Inder SIngh
> Priority: Minor
> Labels: patch
> Attachments: FLUME-1045-1.patch, FLUME-1045-2.patch
>
>
> 1. Problem Description
> A sink being unavailable at any stage in the pipeline causes it to back-off
> and retry after a while. Channel's associated with such sinks start buffering
> data with the caveat that if you are using a memory channel it can result in
> a domino effect on the entire pipeline. There could be legitimate down times
> eg: HDFS sink being down for name node maintenance, hadoop upgrades.
> 2. Why not use a durable channel (JDBC, FileChannel)?
> Want high throughput and support sink down times as a first class use-case.
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